package org.wltea.analyzer.cfg;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.InvalidPropertiesFormatException;
import java.util.List;
import java.util.Properties;

public class DefaultConfigRemote implements Configuration {

	/*
	 * 分词器默认字典路径
	 */
	private static final String PATH_DIC_MAIN = "org/wltea/analyzer/dic/main2012.dic";
	private static final String PATH_DIC_QUANTIFIER = "org/wltea/analyzer/dic/quantifier.dic";

	/*
	 * 分词器配置文件路径
	 */
	private static final String FILE_NAME = "IKAnalyzer.cfg.xml";
	// 配置属性——扩展字典
	private static final String EXT_DICT = "ext_dict";
	// 配置属性——扩展停止词典
	private static final String EXT_STOP = "ext_stopwords";
	// 配置属性--远程扩展词典
	private static final String REMOTE_EXT_DICT = "remote_ext_dict";
	// 配置属性--远程停止词典
	private static final String REMOTE_EXT_STOP = "remote_ext_stopwords";

	private Properties props;
	/*
	 * 是否使用smart方式分词
	 */
	private boolean useSmart;

	/**
	 * 返回单例
	 * 
	 * @return Configuration单例
	 */
	public static Configuration getInstance() {
		return new DefaultConfigRemote();
	}

	/*
	 * 初始化配置文件
	 */
	private DefaultConfigRemote() {
		props = new Properties();

		InputStream input = this.getClass().getClassLoader().getResourceAsStream(FILE_NAME);
		if (input != null) {
			try {
				props.loadFromXML(input);
			} catch (InvalidPropertiesFormatException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	/**
	 * 返回useSmart标志位 useSmart =true ，分词器使用智能切分策略， =false则使用细粒度切分
	 * 
	 * @return useSmart
	 */
	public boolean useSmart() {
		return useSmart;
	}

	/**
	 * 设置useSmart标志位 useSmart =true ，分词器使用智能切分策略， =false则使用细粒度切分
	 * 
	 * @param useSmart
	 */
	public void setUseSmart(boolean useSmart) {
		this.useSmart = useSmart;
	}

	/**
	 * 获取主词典路径
	 * 
	 * @return String 主词典路径
	 */
	public String getMainDictionary() {
		return PATH_DIC_MAIN;
	}

	/**
	 * 获取量词词典路径
	 * 
	 * @return String 量词词典路径
	 */
	public String getQuantifierDicionary() {
		return PATH_DIC_QUANTIFIER;
	}

	/**
	 * 获取扩展字典配置路径
	 * 
	 * @return List<String> 相对类加载器的路径
	 */
	public List<String> getExtDictionarys() {
		List<String> extDictFiles = new ArrayList<String>(2);
		String extDictCfg = props.getProperty(EXT_DICT);
		if (extDictCfg != null) {
			// 使用;分割多个扩展字典配置
			String[] filePaths = extDictCfg.split(";");
			if (filePaths != null) {
				for (String filePath : filePaths) {
					if (filePath != null && !"".equals(filePath.trim())) {
						extDictFiles.add(filePath.trim());
					}
				}
			}
		}
		return extDictFiles;
	}

	/**
	 * 获取扩展停止词典配置路径
	 * 
	 * @return List<String> 相对类加载器的路径
	 */
	public List<String> getExtStopWordDictionarys() {
		List<String> extStopWordDictFiles = new ArrayList<String>(2);
		String extStopWordDictCfg = props.getProperty(EXT_STOP);
		if (extStopWordDictCfg != null) {
			// 使用;分割多个扩展字典配置
			String[] filePaths = extStopWordDictCfg.split(";");
			if (filePaths != null) {
				for (String filePath : filePaths) {
					if (filePath != null && !"".equals(filePath.trim())) {
						extStopWordDictFiles.add(filePath.trim());
					}
				}
			}
		}
		return extStopWordDictFiles;
	}

	public List<String> getRemoteExtDictionarys() {
		List<String> remoteExtDictFiles = new ArrayList<String>(2);
		String remoteExtDictCfg = this.props.getProperty(REMOTE_EXT_DICT);
		if (remoteExtDictCfg != null) {
			String[] filePaths = remoteExtDictCfg.split(";");
			if (filePaths != null) {
				for (String filePath : filePaths) {
					if ((filePath != null) && (!"".equals(filePath.trim()))) {
						remoteExtDictFiles.add(filePath);
					}
				}
			}
		}
		return remoteExtDictFiles;
	}

	public List<String> getRemoteExtStopWordDictionarys() {
		List<String> remoteExtStopWordDictFiles = new ArrayList<String>(2);
		String remoteExtStopWordDictCfg = this.props.getProperty(REMOTE_EXT_STOP);
		if (remoteExtStopWordDictCfg != null) {
			String[] filePaths = remoteExtStopWordDictCfg.split(";");
			if (filePaths != null) {
				for (String filePath : filePaths) {
					if ((filePath != null) && (!"".equals(filePath.trim()))) {
						remoteExtStopWordDictFiles.add(filePath);
					}
				}
			}
		}
		return remoteExtStopWordDictFiles;
	}

}
